10 Best Blue Dye in The UK

Last updated on 13/08/2025

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Best Choice

9.8

Exceptional

AquaDesign

AquaDesign Blue Liquid Pond Dye 500ML For Ponds And Water Features TREATS 20,000L

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Why We Love It

Reduces algae growth effectively.
Increases oxygen levels naturally.
Safe for all wildlife use.

Main Highlights

AquaDesign Dye is a cool blue dye suitable for all ponds and water features
Reduces Algae growth
Increases oxygen levels in water
Easy to dose Liquid disperses quickly
100% Non-toxic to all wildlife
Comes with 3ml pipette for dosing
Available in 500ml,1000ml, 2500ml and 5000ml sizes

Dylon Machine Dye, Ocean Blue, 350G

Why We Love It

Brightens with Ocean Blue color.
Effortless machine dye application.
Large 350G pack size.

Main Highlights

DYLON All-In-One machine dye is the ideal way to colour your fabrics.
Now in an easy-to-use pod, just peel off the lid and pop in the washing machine!
Perfect for reviving faded jeans or brightening some towels.
Suitable for: Cotton, Linen & Viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye).
One pack dyes 600g of fabric to full shade or up to 1.8kg to lighter shades.

Crazy Color Vibrant Sky Blue Semi-Permanent Hair Dye. Highly Pigmented Cobalt Blue Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 100ml

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Why We Love It

Intense cobalt blue colour.
Conditions while colouring.
No ammonia or bleach.

Main Highlights

CRAZY COLOUR: The highly pigmented Sky Blue hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a Cobalt Blue colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your Cobalt Blue hair colour without damage. The lighter your hair, the more vibrant the shade.
NO DAMAGE DYE: With Raspberry Seed, Sunflower Seed and Avocado Oil, our gentle formula nourishes your hair as it colours. Our Sky Blue semi-permanent colour coats the outside of the hair, so is ideal for promoting good hair health, especially after bleaching.
VEGAN FORMULA: We never test on animals, all our Crazy Color products are PETA-approved, 100% vegan and cruelty-free. We are also PDP-Free, Gluten Free and Paraben Free!
MADE IN UK: Our Sky Blue formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Dylon Machine Dye Pod Jeans Blue, 350G

Why We Love It

Revives your faded fabrics.
Easy-to-use dye pod.
Perfect for various fabrics.

Main Highlights

DYLON All-In-One machine dye is the ideal way to colour your fabrics
Now in an easy-to-use pod, just peel off the lid and pop in the washing machine!
Perfect for reviving faded jeans or brightening some towels
Suitable for: Cotton, Linen & Viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye)
One pack dyes 600g of fabric to full shade or up to 1.8kg to lighter shades

Rit DyeMore Single Bottle 7 Oz. Synthetic Liquid Fiber Dye for Clothing, Décor, and Crafts – Sapphire Blue

6% OffFree Shipping

Why We Love It

Embrace sustainability with dye.
Create vibrant tie-dye patterns.
Wide range of color choices.

Main Highlights

EMBRACE SUSTAINABILITY by giving new life to old clothes, rejuvenating old colors, or coordinating colors together. Works great with polyester, acrylic, and acetate.
COVERAGE AND ABSORPTION makes the dye suitable for a wide range of clothing accessories, home décor items, and crafting projects.
CREATE tie-dye patterns, dip-dye designs, or experiment with several techniques to achieve vibrant results. All you need to get started is a washing machine, plastic container, or a stainless-steel sink.
COLOR CHOICES include Racing Red, Sand Stone, Graphite, Sapphire Blue, Frost Gray, Royal Purple, and many more.
7 OZ PREMIUM DYE available in a single bottle. A must-have addition to any crafting workspace.

New Dylon 350g Ocean Blue Machine Dye Pod 2 Pack

Why We Love It

Ideal for colouring fabrics.
Easy, mess-free application.
Suitable for multiple textiles.

Main Highlights

DYLON All-In-One machine dye is the ideal way to colour your fabrics.
Great value pack for dyeing larger amounts of fabric.
Now in an easy-to-use pod, just peel off the lid and pop in the washing machine!
Suitable for: Cotton, Linen & Viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye).
One pack dyes 600g of fabric to full shade or up to 1.8kg to lighter shades.

Dylon New 350g Navy Blue Machine Dye Pod 2 Pack

Why We Love It

Easy and convenient to use.
Dyes large amounts effectively.
Suitable for various fabrics.

Main Highlights

DYLON All-In-One machine dye is the ideal way to colour your fabrics.
Great value pack for dyeing larger amounts of fabric.
Now in an easy-to-use pod, just peel off the lid and pop in the washing machine!
Suitable for: Cotton, Linen & Viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye).
One pack dyes 600g of fabric to full shade or up to 1.8kg to lighter shades.

DYLON Washing Machine Fabric Dye Pod for Clothes & Soft Furnishings, Navy Blue , 350g ( Pack of 1)

17% OffFree Shipping

Why We Love It

Revives or changes fabric colours.
Safe for your washing machine.
Dyes up to 600g fabric.

Main Highlights

DYLON Fabric Dyes are the easy way to add colour to your home and wardrobe. From all colours bright and beautiful to rich and intense shades
The all-in-1 formula can revive or change the colour of your clothes and soft furnishings with ease, providing perfect, long-lasting and intense colours
This fabric dye pod is completely safe for your washing machine and 1 pod can dye up to 600g of fabric for the full shade effect, Suitable for: cotton, linen & viscose. Mixes with synthetics will dye to lighter shades (pure synthetics will not dye)
Item does not have expiry date, rather date mentioned on the product is manufacturer date
This colour is also available in Hand Dye. Use with Pre-Dye if you want to change from one strong colour to another or if you want to achieve a lighter colour
Note: 1 Dye pod can dye up to 600g of fabric, any more than this and the colour will be effected. Pre dye should also be used before the dye pod depending on the existing colour of the fabric.

DYLON Hand Dye, Fabric Dye Sachet for Clothes, Soft Furnishings and Projects, 50 g - Vintage Blue

Why We Love It

Easy home and wardrobe coloring.
Suitable for various fabric types.
Economical with multiple color options.

Main Highlights

Dylon Hand Dye Sachet Vintage (China) Blue

Schwarzkopf LIVE Colour Drops Crystal Blue Semi-Permanent Hair Dye, 30ml, Colour that Lasts 2-12 Washes, Blue Hair Dye Drops

Free Shipping

Why We Love It

Customizable shades for all blondes.
Silicone-free and vegan formula.
Get vibrant color every time.

Main Highlights

Customised colour: Simply mix this hair dye with conditioner for a customisable intensity and an array of different shades - the more drops, the more intense the colour result
Flexible colour: With up to 30 uses per bottle, you can experiment with this temporary hair colour to find your favourite shade - whether bold or subtle
Temporary colour: The Crystal Blue hair colour drops last 2-12 washes, depending on the number of drops used, meaning you can change your colour as often as you like
For best results: These semi-permanent purple hair dye drops are designed for use on bleach blonde to light blonde hair and allow you to create your own unique shade
Caring formula: The vegan* and silicone-free formula of these temporary hair dye drops is nourishing and leaves hair looking healthy and soft

8.9

Excellent

We scanned 1955 products

We reviewed these offers relevant to the Blue Dye within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like AquaDesign, Dylon, Crazy Color, Craft County, LIVE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Blue Dye in the market, we considered we took a deep dive into 9776 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is AquaDesign Blue Liquid Pond Dye 500ML For Ponds And Water Features TREATS 20,000L. We love many things about this product by AquaDesign. What sets it apart from the competition is Reduces algae growth effectively. , Increases oxygen levels naturally. , Safe for all wildlife use.
The best value product for most shoppers and where user satisfaction is continuously the highest is Dylon Machine Dye, Ocean Blue, 350G by Dylon based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Blue Dye and the best cost-to-value ratio is DYLON Washing Machine Fabric Dye Pod for Clothes & Soft Furnishings, Navy Blue , 350g ( Pack of 1)at Dylon with a 17% discount.
Our list of the best Blue Dye is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Blue Dye in The UK

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ican London Colour Your Dream Semi Permanent Hair Color 100ml (112-MIDNIGHT BLUE)

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We scanned 1955 products

We concluded that: